You may want to know that Bruce Rozenblitz, the Transcendent designer, does not think you need an upgrade power cord with his amp. I used to own his stereo OTL and could not tell the difference between the stock cord and an upgraded cord (I do use upgraded cords with other equipment). In fact, I sold my amp to a friend who told me he actually got better sound with the stock cord than with his Monarchy Audio cord. Go figure. The only thing I would say is that it is very system dependent so you need to try it out and hear it for yourself.
Good Luck
Good Luck